Henry ph



.To all whom it may concern:

'UNITED STAT S PATENT OFFICE.-

HENRY PH. WEIDIG, or NE ARK, NEW .JERSEY, Asslenoa TO JOHN-1'3."

STOBAEUS AND JACOB KLEINI-IANS, or SAME LACE.

'DISINFECTALNTQ sl nemxcncrxon forming part of Letters Patent No. 497,082, dated ma 9, 1e93, Application filed September 2'7, 1892 Serial No. 447,014. (No speoimensJ- 1 Be it known that I, HENRY PH. WEInIQa citizen of the United States, and a residentof Newark, in the county of Essex and State of New Jersey, have invented a new and useful Imptovement in Disinfectants, of which the following is a specification.

' My invention relates to a new and very effective disinfectant eonsisting'of a solution of bromine and an oxygen salt, such as permanganate of potassium, the acid of which when liberated by hydrobromic acid will regenerate free bromine from thelatter.

In carrying out my invention I add to a solution of twelve pounds of bromine in fifty gallons of water, about six pounds of permanganate of potassium, and accelerate the solution by shaking in a-revolving barrel or by other suitable means; The solution is then put up in stone jars or in other suitable vessels,'s0 as not to be exposed to the'action of light. 1

My invention is not confined to the proportions of materialsabove mentioned.

Bromine is a very powerful oxidizer and will in waterysol-ution form hydrobromic acid and oxygen when exposed to sunlight or in presence of organic matter; theireactlon being as follows:

oxidizing or disinfecting power of bromine is exhansted,but bythe'prcsence in the solution of a salt,sueh as permanganate of potassium,

or other permmiganatcs, or chlorate-s, part of p my invention I have signed my nanie,in'presonce of two witncsses this 24th day of Sep-..

the bromine is regenerated and read yifor renewed action as an oxidizer or disinfectant; the reactions being as follows; 7

Hydrobromie Iu Pt acid. permanganate. bromide. g HMnO 7BrII Mn-Br Perxnan anic H drobromic Man anese acid. 1 acid. bro nide. g mt bromineand a bromine regenerating oxygen salt, such as a permanganate of potassium). 2. Adisinfeetant consisting of a solution of bromine and permanganate of potassium.

In testimony that I claim the foregoing as 1 tember, 1892. I

nnnnr Pn; WEIDIG Witnesses:-

J onn B. STOBAEUS,

PAUL EMIL GERHARDT. 

